000021370 001__ 21370
000021370 005__ 20170522124351.0
000021370 04107 $$aeng
000021370 046__ $$k2017-05-15
000021370 100__ $$aMašek, J.
000021370 24500 $$aTHERMO-VACUUM TEST CHAMBER DEVELOPMENT FOR HEAT SWITCH TESTING IN SIMULATED MARTIAN CONDITIONS

000021370 24630 $$n23.$$pEngineering Mechanics 2017
000021370 260__ $$bBrno University of Technology, Institute of Solid Mechanics, Mechatronics and Biomechanics, Brno
000021370 506__ $$arestricted
000021370 520__ $$2eng$$aIn the fall of 2014 the Institute of Aerospace Engineering had been awarded by contract to perform Miniaturized Heat Switch testing. The Miniaturized Heat Switch was the unique technology developed by Italian company Aero Sekur for European Space Agency´s missions to Mars. The aim of the project was to develop an innovative but simple experimental thermo-vacuum test chamber to simulate Martian atmospheric conditions. Conditions such as vacuum of 50 Pa absolute, temperatures in the range from −125 °C to + 60 °C and pure CO2 environment of 1000 Pa absolute. The vacuum tightness of the chamber, deep cooling of the specimen under vacuum environment, thermal insulations or heat transfer paths had to be precisely considered. Important decision was to use the liquid nitrogen as the most appropriate cooling medium and copper rods for heat transfer outside the chamber. Later, elementary calibration vacuum-tightness test of the facility showed that the pressure increased from initial value of 220 Pa absolute to 450 Pa absolute within 16.5 hours and thus proved excellent chamber design. Therefore in the future, the test chamber modular design can be easily modified to allow testing of other space equipment in different simulated conditions.

000021370 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb.
000021370 653__ $$aSpace technology, Thermo-vacuum test chamber, Martian conditions, Miniaturized Heat Switch, Vacuum-cryogenic insulation.

000021370 7112_ $$aEngineering Mechanics 2017$$cSvratka, CZ$$d2017-05-15 / 2017-05-18$$gEM2017
000021370 720__ $$aMašek, J.$$iHorák, M.$$iBrožek, P.
000021370 8560_ $$ffischerc@itam.cas.cz
000021370 8564_ $$s869707$$uhttps://invenio.itam.cas.cz/record/21370/files/0622.pdf$$yOriginal version of the author's contribution in proceedings, page 622, section TER.
000021370 962__ $$r21225
000021370 980__ $$aPAPER